Intel® Cyclone® 10 GX Core Fabric and General Purpose I/Os Handbook

ID 683775
Date 10/31/2022
Document Table of Contents Mixing Voltage-Referenced and Non-Voltage Referenced I/O Standards

An I/O bank can support voltage-referenced and non-voltage-referenced pins by applying each of the rule sets individually.


  • An I/O bank can support SSTL-18 inputs and outputs, and 1.8 V inputs and outputs with a 1.8 V VCCIO and a 0.9 V VREF.
  • An I/O bank can support 1.5 V standards, 1.8 V inputs (but not outputs), and 1.5 V HSTL I/O standards with a 1.5 V VCCIO and 0.75 V VREF.

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